Make the distinct DISubprogram in this testcase really distinct.

llvm-svn: 265962
diff --git a/llvm/test/DebugInfo/Generic/cross-cu-linkonce.ll b/llvm/test/DebugInfo/Generic/cross-cu-linkonce.ll
index 812c845..769d195 100644
--- a/llvm/test/DebugInfo/Generic/cross-cu-linkonce.ll
+++ b/llvm/test/DebugInfo/Generic/cross-cu-linkonce.ll
@@ -61,7 +61,7 @@
 !10 = !{!11}
 !11 = !DIGlobalVariable(name: "x", line: 4, isLocal: false, isDefinition: true, scope: null, file: !6, type: !12, variable: i32 (i32)** @x)
 !12 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !7)
-!13 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: FullDebug, file: !14, enums: !2, retainedTypes: !2, subprograms: !3, globals: !15, imports: !2)
+!13 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: FullDebug, file: !14, enums: !2, retainedTypes: !2, subprograms: !23, globals: !15, imports: !2)
 !14 = !DIFile(filename: "b.cpp", directory: "/tmp/dbginfo")
 !15 = !{!16}
 !16 = !DIGlobalVariable(name: "y", line: 4, isLocal: false, isDefinition: true, scope: null, file: !6, type: !12, variable: i32 (i32)** @y)
@@ -71,3 +71,5 @@
 !20 = !DILocalVariable(name: "i", line: 1, arg: 1, scope: !4, file: !6, type: !9)
 !21 = !DILocation(line: 1, scope: !4)
 !22 = !DILocation(line: 2, scope: !4)
+!23 = !{!24}
+!24 = distinct !DISubprogram(name: "func", linkageName: "_Z4funci", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 1, file: !5, scope: !6, type: !7, variables: !2)